/*
 * Copyright 2017-present Open Networking Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.kanga.storage.journal;

import static com.google.common.base.MoreObjects.toStringHelper;

/**
 * Journal reader delegate.
 */
public class DelegatingJournalReader<E> implements JournalReader<E> {
    private final JournalReader<E> delegate;

    public DelegatingJournalReader(JournalReader<E> delegate) {
        this.delegate = delegate;
    }

    @Override
    public long getFirstIndex() {
        return delegate.getFirstIndex();
    }

    @Override
    public long getCurrentIndex() {
        return delegate.getCurrentIndex();
    }

    @Override
    public Indexed<E> getCurrentEntry() {
        return delegate.getCurrentEntry();
    }

    @Override
    public long getNextIndex() {
        return delegate.getNextIndex();
    }

    @Override
    public boolean hasNext() {
        return delegate.hasNext();
    }

    @Override
    public Indexed<E> next() {
        return delegate.next();
    }

    @Override
    public void reset() {
        delegate.reset();
    }

    @Override
    public void reset(long index) {
        delegate.reset(index);
    }

    @Override
    public void close() {
        delegate.close();
    }

    @Override
    public String toString() {
        return toStringHelper(this)
                .add("delegate", delegate)
                .toString();
    }
}
